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Finding the Third Proportional to 388,723 and 599,690

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Solution

The third proportional to 388,723 and 599,690 is: 925,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,723 : 599,690 = 599,690 : x
  2. Step 2: Convert to fraction form
    388,723/599,690 = 599,690/x
  3. Step 3: Cross multiply
    388,723x = 599,690 × 599,690
  4. Step 4: Simplify right side
    388,723x = 359,628,096,100
  5. Step 5: Solve for x
    x = 359,628,096,100/388,723
  6. Step 6: Final answer
    x = 925,152.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.